Ghostbane Dirge, Mass

Transmutation
Level: Bard * 4, Cleric */Oracle * 5, Inquisitor * 5, Paladin * 3, Shaman * 5
Components: V, S, M/DF (an old reed from a wind instrument)
Casting Time: 1 Standard Action
Range: close (25 ft. + 5 ft./2 levels)
Target: one incorporeal creature/level, no two of which can be more than 30 ft. apart
Duration: 1 round/level
Saving Throw: Will negates
Spell Resistance: yes

This spell functions as ghostbane dirge, except that it affects multiple targets.